Home / 35,515.14-49,019.49-21,365.25

Finding the Fourth Proportional to 35,515.14, 49,019.49 and 21,365.25

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Solution

The fourth proportional to 35,515.14, 49,019.49 and 21,365.25 is: 29,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.14 : 49,019.49 = 21,365.25 : x
  2. Step 2: Convert to fraction form
    35,515.14/49,019.49 = 21,365.25/x
  3. Step 3: Cross multiply
    35,515.14x = 49,019.49 × 21,365.25
  4. Step 4: Simplify right side
    35,515.14x = 1,047,313,658.72
  5. Step 5: Solve for x
    x = 1,047,313,658.72/35,515.14
  6. Step 6: Final answer
    x = 29,489.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.